linux-ext4 - Re: [PATCH 2/2 V2] ext4: remove the resize mount option

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Message-ID: <4EB182D3.5000300@redhat.com>
Date:	Wed, 02 Nov 2011 12:50:11 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Andreas Dilger <adilger@...ger.ca>
CC:	ext4 development <linux-ext4@...r.kernel.org>
Subject: Re: [PATCH 2/2 V2] ext4: remove the resize mount option

On 11/2/11 12:41 PM, Andreas Dilger wrote:
> On 2011-11-02, at 10:36 AM, Eric Sandeen wrote:
>> The resize mount option seems to be of limited value,
>> especially in the age of online resize2fs.  Nuke it.
> 
> I agree that it is useless today.  That said, with the new online
> resize support that Yongqiang Yang is working on, it would again
> be possible to just do "remount -o resize={any larger size}" and
> it would work without the need for an ioctl or special user tool.
> 
> That might be useful in initrd/appliance kind of environments that
> put a premium on userspace tools.  I don't run such an environment,
> but I've read many times about distro installs that want to do an
> image install to the disk and then resize it.  Maybe in the age of
> DVDs and 4GB memory sticks this isn't needed anymore?
> 
> I'm not dead set on keeping it, just pointing out that it might
> again become useful in the same release that this patch lands in.
> 
> Cheers, Andreas

Hm.  Well, just because it -can- be done ... should it be done?
We could do all sorts of things via mount options if we really
wanted to.  mount -o tune2fs=^journal, you name it.

I don't have a super-strong preference either way, but we do
have a tool for this already, so duplicating it in a mount option
seems odd to me.

Thanks,
-Eric

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